DERIVATIVE FINANCIAL INSTRUMENTS, EFFECT OF DERIVATIVE INSTRUMENTS ON THE CONSOLIDATED STATEMENT OF INCOME (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Derivative Instruments, Gain (Loss) [Abstract]
Realized Gain	$ 532
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Abstract]
Realized Gain	532
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Other Income, Net [Member]
Derivative Instruments, Gain (Loss) [Abstract]
Other income (loss), net	$ (1,080)	$ (235)	$ (1,002)	$ (1,709)